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Alexa Hue with multiple devices (#22383)

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s-hadinger 2024-10-29 17:21:35 +01:00 committed by GitHub
parent 2925836a9c
commit 2669cd35cf
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2 changed files with 21 additions and 3 deletions
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1
CHANGELOG.md
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@ -31,6 +31,7 @@ All notable changes to this project will be documented in this file.
### Fixed
- Ethernet on -DFRAMEWORK_ARDUINO_ITEAD framework regression from v14.3.0 (#22367)
- Alexa Hue with multiple devices
### Removed
- DALI inverted signal configuration using compile time defines

23
tasmota/tasmota_xdrv_driver/xdrv_20_hue.ino
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@ -415,14 +415,31 @@ const char HueConfigResponse_JSON[] PROGMEM = "\x3D\xA7\xB3\xAC\x6B\x3D\x87\x99\
/********************************************************************************************/
// Since Oct 2024, Alexa does not distinguish anymore if the only the last 2 digits differ after '-'
// Ex: 78:e3:6d:09:1d:a4:00:11-01
// 78:e3:6d:09:1d:a4:00:11-02
// 78:e3:6d:09:1d:a4:00:11-03
// are mixed up in the Alexa app
//
// We now change the encoding like this:
// 78:e3:6d:09:1d:a4:XX:YY-01
// where XX is the high 8 bits of id (unchanged) and YY is the low 8 bits xor 0x10 (so default `1` becomes `0x11`)
// if the endpoint is not zero, XOR the second byte (rare case)
String GetHueDeviceId(uint16_t id, uint8_t ep = 0)
{
char s[32];
String deviceid = WiFiHelper::macAddress();
deviceid.toLowerCase();
if (0x11 == ep) { ep = 0xFE; } // avoid collision with 0x11 which is used as default for `0`
if (0 == ep) { ep = 0x11; } // if ep is zero, revert to original value
snprintf(s, sizeof(s), "%s:%02x:%02X-%02x", deviceid.c_str(), (id >> 8) & 0xFF, ep, id & 0xFF);
snprintf(s, sizeof(s), "%s:%02x:%02X-01", deviceid.c_str(), (id >> 8) & 0xFF, (id & 0xFF) ^ 0x10);
if (ep != 0 && ep != 1) {
uint32_t mac2 = strtol(&s[3], NULL, 16);
mac2 ^= ep;
char mac2_s[4];
snprintf(mac2_s, sizeof(mac2_s), "%02x", mac2);
s[3] = mac2_s[0];
s[4] = mac2_s[1];
}
return String(s); // 5c:cf:7f:13:9f:3d:00:11-01
}